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-rw-r--r--src/H5HFcache.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/H5HFcache.c b/src/H5HFcache.c
index fde5a4f..5b50725 100644
--- a/src/H5HFcache.c
+++ b/src/H5HFcache.c
@@ -1655,9 +1655,15 @@ H5HF__cache_dblock_verify_chksum(const void *_image, size_t len, void *_udata)
/* Update info about direct block */
udata->decompressed = TRUE;
len = nbytes;
- } /* end if */
- else
- read_buf = (void *)image; /* Casting away const OK - QAK */
+ }
+ else {
+ /* If the data are unfiltered, we just point to the image, which we
+ * never modify. Casting away const is okay here.
+ */
+ H5_GCC_CLANG_DIAG_OFF("cast-qual")
+ read_buf = (void *)image;
+ H5_GCC_CLANG_DIAG_OFF("cast-qual")
+ }
/* Decode checksum */
chk_size = (size_t)(H5HF_MAN_ABS_DIRECT_OVERHEAD(hdr) - H5HF_SIZEOF_CHKSUM);